Product Description： Highest After-Sales Guarantee Low Cost,Highest Cost Performance Brand New & High Quality Durable And Easy To Install Specification： BRAND NEW 30 - 60 - 90 & 45 - 45 - 90 Degree Angle Plate Four holes 11/32" for easy mounting, 9/32" thick Hardened steel Precision ground angles Accuracy: 0.0001" per inch +/-20 sec 30 degree angle plate measurement: 4'' x 3-15/32'' x 2" 45 Degree angle plate measurement: 3'' x 3'' x 4-3/8" Case dimension: 7''L x 2.8''W x 1.2'' Thickness Shipping Weight: 11 oz .